Pith Number

pith:NSAJORE4

pith:2024:NSAJORE4ZCJEAZ2H2AQ4XPXQYZ

not attested not anchored not stored refs pending

Efficient bound preserving and asymptotic preserving semi-implicit schemes for the fast reaction-diffusion system

Yu Zhao, Zhennan Zhou

arxiv:2404.18463 v1 · 2024-04-29 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSAJORE4ZCJEAZ2H2AQ4XPXQYZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T08:13:16.594854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8097449cc892406747d021cbbef0c66d3f1179eccda4e5b172a8d0f7c6135a

Aliases

arxiv: 2404.18463 · arxiv_version: 2404.18463v1 · doi: 10.48550/arxiv.2404.18463 · pith_short_12: NSAJORE4ZCJE · pith_short_16: NSAJORE4ZCJEAZ2H · pith_short_8: NSAJORE4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NSAJORE4ZCJEAZ2H2AQ4XPXQYZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6c8097449cc892406747d021cbbef0c66d3f1179eccda4e5b172a8d0f7c6135a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90fedff2aea0cf7f2bcfe7611fb89e59e44715a4b97adde030d698e4c37c31a6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-04-29T06:48:03Z",
    "title_canon_sha256": "94bcdd3766f7be1b989266d5216e6fb6b92cb806b22fc8d20052303c8015f7ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.18463",
    "kind": "arxiv",
    "version": 1
  }
}